She is well known for her work on the ABC series Lost. She was nominated for the Writers Guild of America Award for best drama series for her work on the fifth season and a 2010 Primetime Emmy Award for the sixth and final season. She has also worked as a writer and story editor on Medium, Vanished, and Women's Murder Club. She went on to write for Touch.
Hsu Taylor began working in television as a writer for the first season of Medium in 2005. She wrote the episodes "Jump Start" and "Being Mrs. O'Leary's Cow". She became a story editor for the second season in fall 2005 and wrote the episode "Dead Aim". She left the series at the end of the second season in 2006 having written three episodes.
She became an executive story editor for the series Vanished in 2006 and wrote the episode "The New World". Vanished was canceled after thirteen episodes. Hsu Taylor moved on to become an executive story editor and writer for the series Women's Murder Club in 2007. She co-wrote the story and the teleplay for the episode "The Past Comes Back to Haunt You" (story with Sherry Carnes, teleplay with Robert Nathan) and wrote the episode "And the Truth Will (Sometimes) Set You Free". The series was cancelled after the first season.
Hsu Taylor was hired as a co-producer and writer for the fifth season of Lost in 2009. She co-wrote the episodes "The Little Prince" (with producer Brian K. Vaughn) and "Some Like It Hoth" (with Greggory Nations). The writing staff was nominated for the Writers Guild of America Award for best drama series at the February 2010 ceremony for their work on the fifth season. While working on Lost she also wrote two episodes for the second season of the animated series Star Wars: The Clone Wars, "Senate Spy" and "The Mandalore Plot".
Hsu Taylor was promoted to producer for the sixth and final season. She co-wrote the episodes "The Substitute" (with executive producer Elizabeth Sarnoff) and "Ab Aeterno" (with Nations). The producers were nominated for the Emmy Award for Best Drama Series for their work on the sixth season.
In 2010, Taylor joined the crew of the TNT science fiction series Falling Skies as a supervising producer and writer for the first season. She wrote the episodes "Grace" and "Sanctuary (Part 2)". She left the series at the end of its first season.
In fall 2011, Taylor was brought on to the new FOX paranormal series Touch, as a writer and Supervising Producer. She wrote the episode "Kite Strings".